Alloy Steel Welded Pipe
Alloy Steel Seamless Pipe Standards, Specification & Grades
Material Specifications: ASTM A691
Grades: 1-1/4 CR, 2-1 1/4 CR, 5 CR, 9 CR 91
Thickness (MM): upto 30 mm Thik Alloy Steel Welded Pipe
Size – Dia(mm): upto 24″ NB Alloy Steel Welded Pipe & Tube
Alloy Steel ERW Pipe Chemical Properties
| Alloy Steel | C | Cr | Mn | Mo | P | S |
| 0.05 – 0.15 | 1.00 – 1.50 | 0.30 – 0.60 | 0.44 – 0.65 | 0.025 max | 0.025 max |
ASTM A335 Welded Pipe Mechanical Properties
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
Equivalent grades of SA335M Alloy Steel Pipe
| Name | Temper | Specification | |
| Alloy 4130 | N | MILT6736, AMS6360, AMS6371 | |
| Alloy 4140 | N,A, T | AMS6381 | |
| Alloy 15CDV6 | T1080, T980 | AIR9160C, 1.7734.5, 1.7734.6 | |
ASTM A335 Alloy Pipe Wall Thickness
| Alloy Steel Pipe Types | Out diameter | Wall thickness |
| Alloy Steel Welded Pipe (in Stock + Custom Sizes) | 5.0mm ~ 1219.2mm | 1.0 ~ 15.0 mm |
| Alloy Steel Seamless Pipe (Custom Sizes) | 5.0mm ~ 203.2mm | As per requirement |
| NB Sizes (in stock) | 1/8” ~ 8” | SCH 5 / SCH 10 / SCH 40 / SCH 80 / SCH 160 |
Applications of Alloy Steel Welded Pipe
Heat Exchangers
Condensers
Pulp and Paper Industry
Off-Shore Oil Drilling Companies
Power Generation
Petrochemicals
Gas Processing
Specialty Chemicals
Pharmaceuticals
Pharmaceutical Equipment
Chemical Equipment
Sea Water Equipment
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